N-tert-Butyl-2-benzothiazolesulfenamide (TBBS) from Germany
TBBS is a fast-curing rubber accelerator with benzothiazole structure, ideal for tire treads and mechanical goods. Classified in HTS 2934.20.4000 under additional U.S. note 3 for pure benzothiazole compounds.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Specify batch purity (>96%) to avoid reclassification as mixture
• Include vulcanization test data if requested for end-use verification
• Confirm no azo-dye diluents per Chapter 29 exclusion note 2(h)